Tool



Oct. 3, 1933. E ANDERSON ET AL 1,929,233

TOOL

Filed March 28, 1932 INVENTORS 54H52 ANDER N 7" HE/P A TTORNE Y Patented ocra, 1933Y i' l 15929;33-1Y *UNITED s'rA'rr.si PATENrfjoFries "i TOOL Elmer Anderson and -`Frank Schabert, San Francisco, Calif.; said Anderson assigner to said Schabert Y I' Application March 28,1932. serial'no. 601,5 14

7 claims. (cigni-'133) Ourinvention-relates to atool,` andparticutendacrossto thelopposite stud. \'I"he arm '7 ist. larly to a `tool for. removing aV bridge between preferably providedwith a suitable claw 8, and

studding. the length of thearm is such that itextends up-: 1 Itis among 4the 4objects Aof our invention to wardly and atan angle from the housing2 when 5 provide atool which will readily remove an inthe tool is inthe operating position.r This'-ar-60,

accessible bridge in the wallsof a building. rangement is best shown -in .Figures 3 and 4.

Further objects of our invention include the. A driving head is mounted' on the housing 2 provision, in a tool of the character described, and ispositioned for movement into engagement of simple means for positively holding the tool with thebridgel 4i. This driving. head is prefer.` `in `aselective position between the studding, and ably in the nature of an arm Q'pivotallfyniounted 65.

' of means operable from `a distance for actuating in the housing on a suitable cross-pin 11. Means the tool to drive a bridge from its nailedposiare provided for moving the driving head orarni tion and for releasing the tool from its operating eragainst the bridge to force the same out of positionafterthe bridgefhasbeenremoved. its nailed position. For thislpurpose ascrew 12 Our invention possesses other objects and feais preferably provided and is threaded into a 170 tures-of advantage, some of which, with the foresuitable nut 13 formed inthe housing. The inner going, will be set forthyin thefollowing descripend of the screw is journaled in a block 14 slid tion of our invention. `It is to be understood ably arranged in the housing on suitable guide that We do not'limit ourselves to this disclosure ways 16, and lthe block in turn ispivotally conof species of our invention, as We may adopt neoted to the driving arm 9A through-elink 17-75.

variant embodiments thereof within the scope mounted on the pins 18. oftheclaims. l rBy this mechanism it is apparent that a rota- Referringto the drawing: tion of the screw 12 will 'effect a vsliding of the -Y Figure 1 is a vertical sectional view Yof the tool. Vblock 1i Vto move thedriving. arm 9. A rotation embodying; our invention, takenin a plane midof theaetuatilig Selewin one direction eXtenClS v80. way-between the sides of the toollhousing; porthe blook 14 to eiTeCt an outward Swing of the tions of the holding .arm and actuating vscrew driving arm, While rotation in the opposite dibeing omitted to conserve space in the drawing. rection retracts the block to eiect an inward HFigureiis a rear end elevationalview ofthe Swing ofthe arm. y i v tool. A Since the toolembodying our invention is de- .85

Arigure is a side elevationalviewshowing the signed for removing `bridges from inaccessible f tool positioned between-thestudding o f a building positions between the walls of a building, means prior to removing a bridge; and 1 are provided for operating the screw 12` from a Figure 4 is a similar view showing theatocl distance. For this purpose a plurality, of pipe after the bridge is removed. y sections 19 are preferably` provided; a suitable 90 In terms'crbroad inclusion, the tool embody- Coupling 21 being provided for detachably coning our invention comprises a. frame or housing fleeting the SeotoDS together. The lowei` pipe adapted for placement between the studs of a, section is suitably connected to the actuating building, and releasable means engageable with screw 12, and the upper section is adapted for re-v 40, `the studding for holding the housing in a seceiving a hand wheel or handle-bar 22. Thede. 95

' Y'lected position. A driving headY is mounted on taching 0f these elements may Conveniently be the housing and is adapted for movement against efeoted by the removal of Suitable DHS 23- This a bridge between the studding, and means are extension' handle arrangement adapts the tool provided for moving the driving head to force for being lowered t0 any desirable position be- `.the bridge out of position. tween the studs 3. 10d

In greater detail, the tool embodying our inven- When the housing 2 is lowered along one of the tion comprises a housing 2 adapted for placement studs 3 the holding arm 7 follows down, with its between the studs 3 adjacent a bridge 4 to bei claw 8 sliding along the' opposite stud. When the removed. Releasable means are provided on the tool is iinally in position against the bridge 4 to Thousing for engaging the studding to hold the be removed, the handlebar 22 is mounted on the 10 5.

' ltool in a selected position.' For this purpose suitupper'pipe section 19A andV the actuating screw able claws 6 are preferably provided at the base 12 rotated. This forces the driving head or varm of the housing for engaging one of the studs, andl 9 against the bridge 4 and tends to shift the housa holding arm '7 is preferably pivoted adjacent -ing backwardly. This latter movement however the upper end of the housing and arranged to ex is resisted by the; holding arm '7 `which digs its lclaw 8 into one :of the studs andy simultaneously forces the claws 6 of the housing into the opposite stud. Continued turning of the actuating screw operates to drive the bridge 4 out of its nailed 5 position, as shown in Figure 4.

After the bridge has been dislodged the tool is ready to beretracte'd Iniorder to'dorthis, iarflexgv ible jerk line 26 is provided, and is suitably'se-A cured adjacent the outer end of the holding-arm 7.. A jerk on this line unseats the arm '7, and a constant tension on the line holds the arm away* from the stud as shown by the dotted lines int. Figure 4.Y In this condition a tool may be with-y drawn by pulling up on the! pipeI-sectionsslQffl J5 When the overhead space is iimited as is usually the case, the extension sections 19 of the handle may be disconnectedv as the;toolis withdraw-n.

The tool embodying our invention is useful in connection with the work of plumbers; elec- 20 tricians, and others who install equipment in the walls of 'a ynished lbuilding:KK The too1"isscom'` pactin'structure andfsimple' yet fool-proof inop'- eration; AWe' have'found that the ytoolis `algreat time vvsaver over the old' methods* ofV "dropping a window weightorsomeoth'er heavy objectbeiv tween the studs to remove `van inaccessible bridge.-

Wefclaim: K 1 15 A tooll -for `removing an inaccessible bridge' fbetween'Y studdingin a :partitionwithout fbi'eakfing the walls-of said partition comprising aframe adapted for insertion in the partition from an end'l thereof-and forplacement between the studding adjacent the'bridge, releasable meansV engageablehwith the studding for holding -th'e framein` a'selected position, a driving head mounted :on lthe frame and adapted for movement against vthe bridge,` means for moving said driving head,4 and an extensible handle Vadapted n to vrextendfroml the operating position ofthe 405 frame to the -endofthe partition for actuating said head movingmeans. 2? A tool -for removingjan inaccessible bridge between studding in apartitionwithoutl breakll ing" the"wal1s'- of said partition "comprising a v -Yhous`ing`fadaptedfor insertion in the'partitioriv from an en'd- 1thereof and for placement between theA` studdi'rig adjacent the :"biidge, releasablemeans engageable with the 4studdi'ng for holdingA f the housing in a selected position, a dr-iving'head 0 mountedV ion Vthe housing and adapted 'for move'- ment 'against th'ebridge; screwy means for mov- Y ing-"said driving head, andan extensible'handl adaptedto extend from theoperating position of the -frame t the kend of the partition for rotating said lhead 'movirig'meansfv 3. A tool for removing a bridge between studding comprising a housing adapted for placement between the studding, releasable means engageable with the studding for holding the housing in a selected position, a driving arm pivotally mounted on the housing and adapted for movement 4againstfthe bridge, .fandfmeans .fo`r :moving said driving arm.

4., A. .tool for removing a bridge between studding comprising a housing adapted for placement between the studding, releasable means engageable with the studding for holding the housing in a selected position, a driving arm pivotallyfmounted 'onithe housing and adapted for movement'against the bridge, a block slidable 90 in the housing, a link pivotally connecting the armtwithsaid.blockeand means for moving the block.

5./Atool` for removing a bridge Vbetween studdingcomprising a vhousingvadaptedwfor placement between the studding, 'releasable' `means en"- gageable'v withv the A studdingv for-'holdingthe*A housing in a selected position, a driving-arm"l pivotally mounted on theY housing fand' adapted formovement against-fthe-fbridge a` block-"slid` y1 ()0 able in{ the housing; a-li`nki pivotally' 'connecting the armI with said4 block, and "arr operating 'screw threadedL in the 'housingfand" bea-ring against "thee block. I

6.1`Aftoolfor Vremoving a bi'idg'e`-bet15veen A studi 1051 dingcomprisingfa-housiiig -adaptedifor place-Q d ment* betweenl the mstudding; claws arranged' on the baselof the housing for engaging one ofthe lstuds-a holdinga'rmzpivoted adjacent theupper-f end ofthe housing and having a c1aw at the outer 1102 end thereof "for engaging r the opposites studf-to i hold "the housing in aselecte'd `positio'n-, a driv"" ing headfmounted on the housing'and-'Tadalpted' for-movement against-the bridge; and means for#V moving said driving hea-d5 "11 7;?A tool for'removingga bridge''betweenstud='- ding comprising a housing adapted fo'rplacement l' between the studding, claws Aar-ran'ge'i=on-the b'ase oflthe-housing vfor `engagingftme on they studs; a holding :arm piv'oted 'adjacentthe upper 4endi-fo1="31 2` -:Y the -housingJand-'having afclawgat fthe 'outer'- vend' thereof `fo`r Vengaging* thevoppositestud toI holdf the housing in a'sele'cted'positioma drivin'g'hiead" mounted oriA the housing and adapted1formovement against the bridge, meansA including a handfmtwheel @for `moving saidy driv'ing ahead; extension means `forI saidrhand wheel; i and: arjerk line :cone nected with the holding-1armforffreleasingthe? housing-@fromvthefstudding:

ELMER ANDERSON?l FRANK? SCHABERTT". 

